in Webb & Berthelot, Hist. Nat. Iles Canar. (Paris) 3, 2: 130 (1840).

Basionym: Lichen burgessii L., in Murray, Syst. Veg., Edn 13: 807 (1774).

Protolog type data: Typification: not indicated. Lectotype LINN 1273.91 (left-hand specimen) (Designated by Jørgensen, James & Jarvis, Bot. J. Linn. Soc. 115: 372. 1994).